CN208846744U - A kind of central fuel gas water heating device - Google Patents

Abstract

A kind of central fuel gas water heating device, including shell, combustion gas input channel, heater connect that there are three water inlet line and two outlet conduits on insulated water tank it is characterized in that: enclosure interior is equipped with insulated water tank；Three water inlet lines are respectively cold water inlet road, Loop Water water inlet line, hot water inlet pipe road；Two outlet conduits are respectively the first outlet conduit and the second outlet conduit；Loop Water temperature sensor is housed on the Loop Water water inlet pipe；Water tank temperature sensor and relief valve are housed on the insulated water tank；It is equipped on Loop Water suction pump and the second outlet conduit on the Loop Water water inlet line and water tank suction pump is housed；Control of the Loop Water suction pump by circuit water pipe temperature sensor；Control of the water tank suction pump by water tank temperature sensor.Case top is also equipped with condenser, carries out first time preheating to cold water.The utility model has reached the raising thermal efficiency, guarantees a large amount of hot water supplies, realizes the high usage comfort of hot water instant-heating.

Description

A kind of central fuel gas water heating device

Technical field

The utility model relates to gas heater technical field more particularly to a kind of central fuel gas water heating devices.

Background technique

Currently, in some big-room and luxury housing project front yards or hotel, because the usage amount of hot water is bigger, general gas and hot water Device water yield is limited, is difficult to meet people's lives needs, and when there are using hot water every time, all needs first to bleed off a part of life The problem of cold water retained in hot water pipeline living, not only waste water resource, but also influence comfort when people use hot water.And And current many central fuel gas water heating devices are all that directly cold water is transported in heater to heat, and cause water big in this way When, the efficiency of heating is not generally high.

Utility model content

Aiming at the problems existing in the prior art, the purpose of this utility model is to provide one kind can improve heating efficiency Guarantee the supply of a large amount of hot water, and is able to achieve the central fuel gas water heating device that hot water uses instant-heating.

To achieve the above objectives, the utility model adopts the following technical scheme: a kind of central fuel gas water heating device, including shell Body, combustion gas input channel, heater connect that there are three water inlet pipes on insulated water tank it is characterized in that: enclosure interior is equipped with insulated water tank Road and two outlet conduits；Three water inlet lines are respectively cold water inlet road, Loop Water water inlet line, hot water inlet pipe road； Two outlet conduits are respectively the first outlet conduit and the second outlet conduit；The insulated water tank and heater pass through the second water outlet Pipeline and hot water inlet pipe road are connected to form circulation loop；Condenser is installed, on heater at the top of enclosure interior Blower communicates, and the second a part of water pipe in outlet conduit end flows through inside condenser；Circuit is housed on the Loop Water water inlet pipe Water temperature sensor；Water tank temperature sensor and relief valve are housed on the insulated water tank；It is filled on the Loop Water water inlet line There is Loop Water suction pump；Water tank suction pump is housed on second outlet conduit；The Loop Water suction pump is by circuit water pipe The control of temperature sensor, control of the water tank suction pump by water tank temperature sensor.

As a further illustration of the above scheme, the intracorporal circuit water pipe temperature sensor of shell and water tank temperature sensor with The temperature control operation panel electrical connection that shell is equipped with.

As a further illustration of the above scheme, shell is equipped with the insulated water tank hydraulic pressure of real-time monitoring insulated water tank hydraulic pressure Table.

As a further illustration of the above scheme, the insulated water tank further includes the draining for being set to insulated water tank bottom Pipe.

The beneficial effects of the utility model are: 1. condensers can use the high-temperature flue gas of heater burning generation first to cold Water carries out first time preheating, then carries out second into heater again and heats, and the efficiency 2. of heating can be improved because of in It entreats and is equipped with insulated water tank inside gas heater, a large amount of hot water can be stored, be able to maintain enough hot water supplies.3. Loop Water Temperature sensor and water pump are housed on pipeline, when the water temperature in the water pipe of circuit is low, guarantor is extracted by the cold water in pump handle pipe It in reservoir, does not need first to bleed off the cold water of a part when hot water is used in this way, relaxing of using can be improved with plug and play Appropriateness.

Detailed description of the invention

Fig. 1 show central fuel gas water heating device housing interior structure schematic diagram provided by the embodiment of the utility model.

Fig. 2 show central fuel gas water heating device outer shell construction schematic diagram provided by the embodiment of the utility model.

Appended drawing reference are as follows:

1. fuel gas inlet；2. the first outlet conduit；3. cold water inlet road；4 Loop Water water inlet lines；5. circuit water pipe Temperature sensor；6. Loop Water suction pump；7 drainage pipelines；8. insulated water tank；9. water tank suction pump；10. relief valve；11. Water tank temperature sensor；12. the second outlet conduit；13. gas electromagnetic valve；14. condenser；15. blower；16. heater； 17. hot water inlet pipe road；18. shell；19. temperature control operation panel；20. insulated water tank water pressure gauge.

Specific embodiment

For the ease of the understanding of those skilled in the art, the utility model is made below with reference to embodiment and attached drawing further Explanation, the content that embodiment refers to not is restriction to the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.In the description of the present invention, the meaning of " plurality " is two or two More than, unless otherwise specifically defined.In the description of the present invention, it should be noted that unless otherwise prescribed and It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can also be with for example, it may be mechanical connection or be electrically connected It is the connection inside two elements, can be directly connected, it can also indirectly connected through an intermediary, for the general of this field For logical technical staff, the concrete meaning of the term can be understood as the case may be.

Central fuel gas water heating device as shown in Fig.1 and Fig.2, connects that there are three water inlet line and two outlet pipes on insulated water tank 8 Road.Three water inlet lines are respectively cold water inlet road 3, Loop Water water inlet line 4, hot water inlet pipe road 17；Two outlet pipes Road is respectively the first outlet conduit 2 and the second outlet conduit 12.3 one end of cold water inlet road is connected with insulated water tank 8, the other end It is connected with external water supply pipe；4 one end of Loop Water water inlet line is communicated with insulated water tank 8, the other end and external circuit water pipe Road communicates；17 one end of hot water inlet pipe road is communicated with heater 16, and the other end is communicated with insulated water tank 8；First outlet conduit 2 one End is communicated with insulated water tank 8, and the other end is communicated with external hot water supply pipe；Second outlet conduit, 12 one end and insulated water tank 8 It communicates, the other end is communicated with heater 16；Wherein, insulated water tank 8 and heater 16 by the second outlet conduit 12 and hot water into Waterpipe 17 is connected to form circulation loop；It is taken out on Loop Water water inlet line 4 equipped with circuit water pipe temperature sensor 5 and Loop Water Water pump 6 is equipped with water tank suction pump 9 on second outlet conduit 12；Wherein passed on insulated water tank 8 equipped with relief valve 10 and water tank temperature Sensor 11, bottom are equipped with drainpipe 7；Equipped with the blower 15 positioned at case top on heater 16, condenser 14 and blower 15 are logical Piping communicates, and a part of water pipe in 12 end of the second outlet conduit flows through inside condenser.Equipped with adjusting temperature on shell 18 It controls operation panel 19 and shows the insulated water tank water pressure gauge 20 of insulated water tank hydraulic pressure.

Water tank temperature sensing on circuit water pipe temperature sensor 5 and insulated water tank 8 on the Loop Water water inlet line 4 Device 11 can carry out the setting of temperature value respectively by adjusting operation panel 19, and set temperature value is warning value, according to Actual conditions determine.When circuit water pipe temperature sensor 5 detects water temperature lower than warning value, issuing signal takes out Loop Water Water pump 6 is started to work, and Loop Water suction pump 6 can be extracted into the water in water return pipeline 4 in insulated water tank 8.It is installed on insulated water tank 8 There is water tank temperature sensor 11, when detecting the water temperature of insulated water tank 8 lower than warning value, issuing signal makes water tank suction pump 9 It starts to work, water tank suction pump 9, which is extracted into the water in insulated water tank 8 in heater 16 by the second outlet conduit 12, to be added Heat.Cold water first flows through inside condenser 14 before being flowed into heater 16 by the second outlet conduit 12, and condenser 14, which utilizes, to be added The high-temperature flue gas that hot device burning generates first carries out first time heating to cold water, and the water in inflow heater is then carried out second again Secondary heating so first preheats the water flowed into heater, reduces the time of heating, can greatly improve heating effect Rate.The hot water heated, which passes through hot water inlet pipe road 17 again and is flowed into insulated water tank 8, to be stored, and hot water passes through the first water outlet Pipeline is to external hot-water supply.Relief valve 10 on water tank 8 can be used to protect high-temperature water tank 8, avoid because inside insulated water tank 8 Hydraulic pressure is excessive, damages to caused by insulated water tank 8, when the hydraulic pressure of insulated water tank 8 reaches limit value, will automatically open pressure release Valve 10 carries out Auto-drainage pressure release by drainage pipeline.Insulated water tank water pressure gauge 20 being capable of water in real-time monitoring insulated water tank 8 Situation is pressed, when hydraulic pressure is relatively low, tap water can be added into insulated water tank 8 by cold water inlet road.One be thusly-formed Cycle cooling plating drum, it is ensured that a large amount of hot water supply and realization use hot water instant-heating, and the use for improving user is comfortable Degree.

Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides Formula realizes that any obvious replacement is in the protection model of the utility model under the premise of not departing from the technical program design Within enclosing.

In order to allow those of ordinary skill in the art more easily understand the improvement of the utility model compared with the existing technology it Place, some attached drawings of the utility model and description have been simplified, and for the sake of clarity, present specification is omitted one A little other elements, the element that those of ordinary skill in the art should be aware that these are omitted also may make up the interior of the utility model Hold.

Claims (4)

1. a kind of central fuel gas water heating device, including shell (18), combustion gas input channel (1), heater (16), it is characterized in that: shell Insulated water tank (8) are equipped with inside body (18), connect that there are three water inlet line and two outlet conduits on insulated water tank (8)；Three into Waterpipe is respectively cold water inlet road (3), Loop Water water inlet line (4), hot water inlet pipe road (17)；Two outlet conduits point It Wei not the first outlet conduit (2) and the second outlet conduit (12)；The insulated water tank (8) and heater (16) pass through the second water outlet Pipeline (12) and hot water inlet pipe road (17) are connected to form circulation loop；Condenser (14) are installed at the top of enclosure interior, It is communicated with the blower (15) on heater (16), a part of water pipe in the second outlet conduit (12) end flows through in condenser (14) Portion；Circuit water pipe temperature sensor (5) are housed on the Loop Water water inlet line (4)；Water tank is housed on the insulated water tank (8) Temperature sensor (11) and relief valve (10)；Loop Water suction pump (6) are housed on the Loop Water water inlet line (4)；Described Water tank suction pump (9) are housed on two outlet conduits (12)；The Loop Water suction pump (6) is by circuit water pipe temperature sensor (5) control, control of the water tank suction pump (9) by water tank temperature sensor (11).

2. central fuel gas water heating device according to claim 1, it is characterised in that: the intracorporal circuit water pipe temperature sensor of shell (5) it is electrically connected with water tank temperature sensor (11) with the temperature control operation panel (19) that shell (18) is equipped with.

3. central fuel gas water heating device according to claim 1, it is characterised in that: shell (18) is kept the temperature equipped with real-time monitoring The insulated water tank water pressure gauge (20) of water tank (8) hydraulic pressure.

4. central fuel gas water heating device according to claim 1, it is characterised in that: the insulated water tank (8) further includes setting Drainpipe (7) in insulated water tank (8) bottom.